Optical scanner



FIG. 1 is a top plan view of an optical scanner;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a top perspective view thereof;

FIG. 8 is a bottom perspective view thereof;

FIG. 9 is a top plan view of a second embodiment of an optical scanner;

FIG. 10 is a bottom plan view of the second embodiment;

FIG. 11 is a right side elevation view of the second embodiment;

FIG. 12 is a left side elevation view of the second embodiment;

FIG. 13 is a front elevation view of the second embodiment;

FIG. 14 is a rear elevation view of the second embodiment;

FIG. 15 is a top perspective view of the second embodiment; and,

FIG. 16 is a bottom perspective view of the second embodiment.

In FIGS. 9-16 the areas including stipple shading have a different contrasting color as compared to the areas that do not include stipple shading and the features shown in dashed lines form no part of the claimed design. 

The ornamental design for an optical scanner, as shown and described. 